1045905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1423}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 1948032

約数和(自身を除く): 902127

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1423, 4269, 7115, 9961, 21345, 29883, 49805, 69727, 149415, 209181, 348635, 1045905]

約数ペア:

[(1, 1045905), (3, 348635), (5, 209181), (7, 149415), (15, 69727), (21, 49805), (35, 29883), (49, 21345), (105, 9961), (147, 7115), (245, 4269), (735, 1423)]